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2 September, 09:10

What are the two current major approaches to detecting extrasolar planets indirectly?

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  1. 2 September, 12:15
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    Watching the light level dip as a planet moves across its star at a regular interval. Analyzing Spectra from the surface of the star in which matter may have been accreted onto it ... i. e. Carbon or heavier elements like tin.
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